National Museum of Nuclear Science & History
J. D. Hayes worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Minnesota native Roger Hultgren worked for the DuPont Company as a chemist during the early 1940s, initally assigned to the Jolliet, Illinois munitions plans.
Dale M. Brown served in the 320th Troop Carrier Squadron.
Roos worked at the 300 Area and the 200 West Area at Hanford during the Manhattan Project.
